司徒 Traditional form: 司徒 Pinyin (reading): Sītú Definitions: two-character surname Situ Characters: 司 - to take charge of, to control, to manage; officer 徒 - disciple, follower; only, merely; in vain Traditional characters: 司 - to take charge of, to control, to manage; officer 徒 - disciple, follower; only, merely; in vain